diff options
| -rw-r--r-- | lib/MC/MCDwarf.cpp | 22 | ||||
| -rw-r--r-- | test/MC/MachO/gen-dwarf.s | 25 |
2 files changed, 22 insertions, 25 deletions
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp index 986b8b6..83fa069 100644 --- a/lib/MC/MCDwarf.cpp +++ b/lib/MC/MCDwarf.cpp @@ -454,15 +454,14 @@ static void EmitGenDwarfAbbrev(MCStreamer *MCOS) { EmitAbbrev(MCOS, dwarf::DW_AT_language, dwarf::DW_FORM_data2); EmitAbbrev(MCOS, 0, 0); - // DW_TAG_subprogram DIE abbrev (2). + // DW_TAG_label DIE abbrev (2). MCOS->EmitULEB128IntValue(2); - MCOS->EmitULEB128IntValue(dwarf::DW_TAG_subprogram); + MCOS->EmitULEB128IntValue(dwarf::DW_TAG_label); MCOS->EmitIntValue(dwarf::DW_CHILDREN_yes, 1); EmitAbbrev(MCOS, dwarf::DW_AT_name, dwarf::DW_FORM_string); EmitAbbrev(MCOS, dwarf::DW_AT_decl_file, dwarf::DW_FORM_data4); EmitAbbrev(MCOS, dwarf::DW_AT_decl_line, dwarf::DW_FORM_data4); EmitAbbrev(MCOS, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr); - EmitAbbrev(MCOS, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr); EmitAbbrev(MCOS, dwarf::DW_AT_prototyped, dwarf::DW_FORM_flag); EmitAbbrev(MCOS, 0, 0); @@ -545,7 +544,7 @@ static void EmitGenDwarfAranges(MCStreamer *MCOS) { // When generating dwarf for assembly source files this emits the data for // .debug_info section which contains three parts. The header, the compile_unit -// DIE and a list of subprogram DIEs. +// DIE and a list of label DIEs. static void EmitGenDwarfInfo(MCStreamer *MCOS) { MCContext &context = MCOS->getContext(); @@ -630,7 +629,7 @@ static void EmitGenDwarfInfo(MCStreamer *MCOS) { // draft has no standard code for assembler. MCOS->EmitIntValue(dwarf::DW_LANG_Mips_Assembler, 2); - // Third part: the list of subprogram DIEs. + // Third part: the list of label DIEs. // Loop on saved info for dwarf subprograms and create the DIEs for them. const std::vector<const MCGenDwarfSubprogramEntry *> &Entries = @@ -640,7 +639,7 @@ static void EmitGenDwarfInfo(MCStreamer *MCOS) { ++it) { const MCGenDwarfSubprogramEntry *Entry = *it; - // The DW_TAG_subprogram DIE abbrev (2). + // The DW_TAG_label DIE abbrev (2). MCOS->EmitULEB128IntValue(2); // AT_name, of the label without any leading underbar. @@ -658,17 +657,6 @@ static void EmitGenDwarfInfo(MCStreamer *MCOS) { MCSymbolRefExpr::VK_None, context); MCOS->EmitAbsValue(AT_low_pc, AddrSize); - // AT_high_pc, end address which is the next label or end of the section. - std::vector<const MCGenDwarfSubprogramEntry *>::const_iterator next = it+1; - if (next != Entries.end()){ - const MCGenDwarfSubprogramEntry *NextEntry = *next; - const MCExpr *AT_high_pc = MCSymbolRefExpr::Create(NextEntry->getLabel(), - MCSymbolRefExpr::VK_None, context); - MCOS->EmitAbsValue(AT_high_pc, AddrSize); - } else { - MCOS->EmitAbsValue(End, AddrSize); - } - // DW_AT_prototyped, a one byte flag value of 0 saying we have no prototype. MCOS->EmitIntValue(0, 1); diff --git a/test/MC/MachO/gen-dwarf.s b/test/MC/MachO/gen-dwarf.s index a443d75..4fbc32d 100644 --- a/test/MC/MachO/gen-dwarf.s +++ b/test/MC/MachO/gen-dwarf.s @@ -7,6 +7,7 @@ _bar: L1: leave ret _foo: +_baz: nop .data _x: .long 1 @@ -24,12 +25,11 @@ _x: .long 1 // CHECK: DW_AT_producer DW_FORM_string // CHECK: DW_AT_language DW_FORM_data2 -// CHECK: [2] DW_TAG_subprogram DW_CHILDREN_yes +// CHECK: [2] DW_TAG_label DW_CHILDREN_yes // CHECK: DW_AT_name DW_FORM_string // CHECK: DW_AT_decl_file DW_FORM_data4 // CHECK: DW_AT_decl_line DW_FORM_data4 // CHECK: DW_AT_low_pc DW_FORM_addr -// CHECK: DW_AT_high_pc DW_FORM_addr // CHECK: DW_AT_prototyped DW_FORM_flag // CHECK: [3] DW_TAG_unspecified_parameters DW_CHILDREN_no @@ -48,24 +48,33 @@ _x: .long 1 // CHECK: DW_AT_producer [DW_FORM_string] ("llvm-mc (based on {{.*}})") // CHECK: DW_AT_language [DW_FORM_data2] (0x8001) -// CHECK: DW_TAG_subprogram [2] * +// CHECK: DW_TAG_label [2] * // CHECK: DW_AT_name [DW_FORM_string] ("bar") // CHECK: DW_AT_decl_file [DW_FORM_data4] (0x00000001) // CHECK: DW_AT_decl_line [DW_FORM_data4] (0x00000005) // CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000) -// CHECK: DW_AT_high_pc [DW_FORM_addr] (0x0000000000000007) // CHECK: DW_AT_prototyped [DW_FORM_flag] (0x00) // CHECK: DW_TAG_unspecified_parameters [3] // CHECK: NULL -// CHECK: DW_TAG_subprogram [2] * +// CHECK: DW_TAG_label [2] * // CHECK: DW_AT_name [DW_FORM_string] ("foo") // CHECK: DW_AT_decl_file [DW_FORM_data4] (0x00000001) // CHECK: DW_AT_decl_line [DW_FORM_data4] (0x00000009) // CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000007) -// CHECK: DW_AT_high_pc [DW_FORM_addr] (0x0000000000000008) +// CHECK: DW_AT_prototyped [DW_FORM_flag] (0x00) + +// CHECK: DW_TAG_unspecified_parameters [3] + +// CHECK: NULL + +// CHECK: DW_TAG_label [2] * +// CHECK: DW_AT_name [DW_FORM_string] ("baz") +// CHECK: DW_AT_decl_file [DW_FORM_data4] (0x00000001) +// CHECK: DW_AT_decl_line [DW_FORM_data4] (0x0000000a) +// CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000007) // CHECK: DW_AT_prototyped [DW_FORM_flag] (0x00) // CHECK: DW_TAG_unspecified_parameters [3] @@ -109,5 +118,5 @@ _x: .long 1 // CHECK: 0x0000000000000000 6 0 1 0 is_stmt // CHECK: 0x0000000000000005 7 0 1 0 is_stmt // CHECK: 0x0000000000000006 8 0 1 0 is_stmt -// CHECK: 0x0000000000000007 10 0 1 0 is_stmt -// CHECK: 0x0000000000000008 10 0 1 0 is_stmt end_sequence +// CHECK: 0x0000000000000007 11 0 1 0 is_stmt +// CHECK: 0x0000000000000008 11 0 1 0 is_stmt end_sequence |